Home / 89,609.36-134,434.08-27,284.72

Finding the Fourth Proportional to 89,609.36, 134,434.08 and 27,284.72

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Solution

The fourth proportional to 89,609.36, 134,434.08 and 27,284.72 is: 40,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,609.36 : 134,434.08 = 27,284.72 : x
  2. Step 2: Convert to fraction form
    89,609.36/134,434.08 = 27,284.72/x
  3. Step 3: Cross multiply
    89,609.36x = 134,434.08 × 27,284.72
  4. Step 4: Simplify right side
    89,609.36x = 3,667,996,231.26
  5. Step 5: Solve for x
    x = 3,667,996,231.26/89,609.36
  6. Step 6: Final answer
    x = 40,933.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.